XML 130 R114.htm IDEA: XBRL DOCUMENT
v3.23.1

Restricted Net Assets (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Restricted Net Assets (Details) [Line Items] |
Percentage of general reserve fund of registered capital | 50.00%
Restricted net assets (in Dollars) | $ 49,376
Restricted net assets exceeded percentage | 25.00%
Minimum [Member] |
Restricted Net Assets (Details) [Line Items] |
Percentage of income after tax to reserve | 10.00%

X
- Definition Percentage of general reserve fund of registered capital. + References No definition available. + Details
Name: | ucl_PercentageOfGeneralReserveFundOfRegisteredCapital
Namespace Prefix: | ucl_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of income after tax to reserve. + References No definition available. + Details
Name: | ucl_PercentageOfIncomeAfterTaxToReserve
Namespace Prefix: | ucl_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted net assets. + References No definition available. + Details
Name: | ucl_RestrictedNetAssets
Namespace Prefix: | ucl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | ucl_RestrictedNetAssetsDetailsLineItems
Namespace Prefix: | ucl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted net assets exceeded percentage. + References No definition available. + Details
Name: | ucl_RestrictedNetAssetsExceededPercentage
Namespace Prefix: | ucl_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |